Roof & Plumbing Neutral Silicone 300ml

Kryfix Roof & Plumbing Neutral Silicone is a premium-grade, neutral-cure silicone sealant designed for high-performance waterproofing and joint sealing in roofing, plumbing, and general construction applications. Its primerless adhesion and excellent UV resistance make it ideal for long-term use across diverse materials and conditions.

Properties

  • One-component, 100% silicone formulation

  • Neutral-curing and non-corrosive

  • High UV, water, and weather resistance

  • Strong primerless adhesion to most substrates

  • ±25% movement capability for dynamic joints

  • Fast tack-free time: 20 minutes at 23 °C / 50% RH

  • Shore A Hardness: 42; Tensile Strength: 1.5 MPa

  • Elongation at break: 300%

  • Solid content: 95%, non-sag (0 mm slump)

  • Available in white, black, grey, or custom colours

Application areas

  • Sealing and bonding gutters, flashing, downpipes, and roofing elements

  • Joints around skylights, roof windows, HVAC systems, and cladding

  • Suitable for brick, stone, concrete, wood, plastic, glass, metal, ceramic, and PVC

  • Designed for interior and exterior use under all environmental conditions

Suitable surfaces: Brick, Concrete, Wood, PVC, Glass, Porcelain, Ceramic, Aluminium, Zinc, Steel, Stone, and Cladding Panels.

Safety Data Sheet (.pdf)

Technical Data Sheet (.pdf)

KRYFIX Product Catalogue